Delhi’s air quality was in the “severe” category on Tuesday, with 29 of the city’s 40 monitoring stations recording Air Quality Index readings above 400, according to data from the Sameer application at 9.05 am.
The national capital’s average AQI stood at 416, showed the application, which provides hourly updates from the Central Pollution Control Board.
At least five stations recorded an AQI of 450 or more, which is in the “severe plus” category.
At 9 am, the Delhi airport said that flight operations had been hampered because of “dense fog”, which may cause delays and cancellations.
The cities adjoining the capital also reported hazardous air quality levels on Monday. While Noida recorded an AQI of 428, Ghaziabad 416 and Greater Noida 378, Gurugram remained in the “very poor” category at 362.
An index value between 301 and 400 indicates “very poor” air. Between 401 and 450 indicates “severe” air pollution, while anything above the 450 threshold is termed “severe plus”.
An AQI in the “severe” and “severe plus” category signifies hazardous pollution levels that can pose serious risks even to healthy individuals.
#WATCH | Delhi | Layer of toxic smog shrouds the national capital as air quality remains in 'very poor' quality, as claimed by the Central Pollution Control Board
CAQM (Commission for Air Quality Management) has...
